Changes to List Email Threads

added the new optional query request parameter crm_record

added the new optional query request parameter handling_outcomes

added the new optional query request parameter channel

for the query request parameter property_ids, the type of property anyOf[subschema #1]/items/ changed from string to no type, and format from uuid to no format

added the new optional query request parameter outcome

added the new optional query request parameter language_selection_source

added the new optional query request parameter selected_language

added the new optional query request parameter buckets

added the new optional query request parameter last_direction

added the optional property items/items/last_direction to the response with the 200 status